1. Small deciduous tree of western North America with crooked branches and pale grey bark
   - Oregon white oak, Oregon oak, Quercus garryana

Type of: white oak

Encyclopedia: Garry oak

• orchid tree
• Orchidaceae
• orchidaceous
• orchidaceous plant
• Orchidales
• orchidalgia
• orchidectomy
• orchiectomy
• orchil
• orchiopexy
• orchis
• Orchis mascula
• Orchis papilionaceae
• Orchis spectabilis
• orchitis
• orchotomy
• Orcinus
• Orcinus orca
• Orcus
• Orczy
• Ord kangaroo rat
• ordain
• ordained
• ordainer
• ordainment